ZTF J210935.89+390501.7 (Eclipsing binary)

RA: 21h 09m 35.89s, DE: +39° 05' 01.69" (317.3995393926, 39.0838025055)

Tic: TIC 166026283, TwoMass: 2MASS J21093589+3905016, Ucac4: UCAC4 646-099211

Data:

  • Constellation: Cyg
  • Variability type: EW
  • Maximal brightness (Mag): 13.095 (V)
  • Minimum brightness (Mag): 12.876 (V)
  • D (h): 7.975
  • Astrophysical interest: Combination of more effects
  • Created: 7/3/2025
  • Created by: Martin Kobliha
Periodic elements:

  • Period (d): 0.332288800000000
  • Epoch (JD): 2458305.91000
  • Secondary Epoch (JD): 2458306.0761444 (est.)
Change log:

7/3/2025, Martin Kobliha:

  • Astrophysical interest: Nothing → Combination of more effects

Number of observations

3 x

Number of observers

1 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2458305.91 + 0.3322888 * E
S: M = 2458306.0761444 + 0.3322888 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline